2Development and application of technologies such as the resource utilization of coke oven flue gas desulfurization and denitrification by-products, and the treatment and reuse of sintering flue gas desulfurization wastewater.

10. gold

2. Comprehensive utilization of gold tailings (slag) and waste rock (recovery of valuable elements, used for recyclingfilling, acid making, building materials, etc.)

10. gold

2Recovery of gold from tailings and waste rock

XI. Petrochemical Chemical Industry

7Specialty chemicals: development and production of electronic chemicals such as ultra-clean and high-purity reagents and key raw materials

XI. Petrochemical Chemical Industry

9Development and application of new technologies for clean production of dyes, organic pigments and their intermediates, and intrinsic safety (including continuous sulfonation of fuming sulfuric acid and sulfonation of sulfur trioxide)

Environmental protection and resource conservation and comprehensive utilization

1Air pollutant control and carbon emission reduction: mature, stable and efficient desulfurization, denitrification, dust removal technology and equipment;

62. Hazardous waste disposal: waste sulfuric acid, waste sulfur, industrial by-product gypsum, hydrogen sulfide, sulfur-containing waste liquid and other sulfur-containing waste recycling sulfuric acid technology;

10Industrial "three wastes" recycling: waste water

Application of efficient recycling technology

Environmental protection and resource conservation and comprehensive utilization

18Zero discharge of wastewater and application of reuse water technology;

422. Waste sulfuric acid cracking and recovery technology

Restricted class

4. Petrochemical Chemical

4.30 million tons/Sulfur-burning sulphuric acid (single metal ion ≤100ppbexcept for electronic grade sulfuric acid),20 million tons/Pyrite sulphuric acid production plant under;

10Sulfuric acid titanium dioxide (except co-production process) production plant

4. Petrochemical Chemical

4,30 million tons/SULFUR-BALLIC ACID (single metalIon ≤100ppbexcept for electronic grade sulfuric acid),20 million tons/Pyrite sulphuric acid production plant under;

10New sulfuric acid titanium dioxide production plant

7. non-ferrous metals

2. single series 10 million tons/Crude copper smelting projects under the annual scale;

4. single series 5 million tons/Lead smelting and recycled lead projects under the annual scale;

5. single series 10 million tons/Zinc smelting projects below the annual scale (except for the utilization of zinc-containing secondary resources)

7. non-ferrous metals

2Single series 10 million tons/Crude copper smelting projects below the annual scale (except for recycled copper projects and direct leaching of oxidized ore);

4Single series 5 million tons/Lead smelting projects below the annual scale (except for technological transformation and environmental protection transformation projects without new production capacity);

5Single series 10 million tons/Zinc smelting projects (except direct leaching)

8. gold

3Daily treated gold concentrate 200 Fire smelting projects of independent gold smelters without supporting mining systems of less than tons (excluding)

8. gold

3Daily treated gold concentrate 200 Fire smelting projects of independent gold smelters without supporting mining systems of less than tons (excluding)

Elimination category

(IV) Petrochemical Chemical

2.10 million tons/Pyrite-to-acid and sulfur-to-acid (except in remote areas)

(IV) Petrochemical Chemical

2,10 million tons/Pyrite-to-acid and sulfur-to-acid (except in remote areas)

(VI) non-ferrous metals

6. Dry purification of flue gas acid and hot concentrated acid washing technology;

14Lead smelting process of sintering machine without acid production and tail gas absorption system

(VI) non-ferrous metals

6Dry purification of flue gas acid and hot concentrated acid washing technology;

14Lead smelting process of sintering machine without acid production and tail gas absorption system

The next one-